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  1. Antibodies 101: ChIP

    Type
    Blog Post
    ...therefore will require crosslinking, which uses formaldehyde or UV light to create strong but reversible ...actively interacting with, reducing background information. Your options for this step are sonication, which... with a PCR purification kit or with a phenol-chloroform extraction.    Fig. 1: Schematic overview...
  2. Hot Plasmids - February 2022

    Type
    Blog Post
    ... genes, researchers at the Genetic Pertubation Platform at the Broad Institute have expanded the genetic...-based method for screens. Cas12a’s ability to perform multiplex editing within a single expression cassette...used to create a genome-wide library capable of performing similarly to Cas9 screens in a compacted library...
  3. 15 Years of Addgene: The Top 15 Plasmids

    Type
    Blog Post
    ...and expressing new shRNA sequences. For more information, see the Addgene’s pLKO.1 protocol. Pro-tip: ...trademarked Tet-On(R) sold by Clontech. For additional information, see the manual provided by the Weiderschain ...vector encodes both SpCas9 and your gRNA. It’s the former version of our sixth most popular plasmid pSpCas9...
  4. Fluorescent Proteins 101: Luciferases

    Type
    Blog Post
    ...have been identified in the sea pansy (Renilla reniformis), click beetle (Pyrophorus plagiophthalamus),... 562 61 Luciferin ATP No Sea pansy (Renilla reniformis) Natural 481 36 Coelenterazine None No Click...biosensors where BRET reports on the change in conformation of a single protein. Considerations for luciferase...
  5. Screening for Successful Genome Editing with Digital PCR

    Type
    Blog Post
    ... to work with, time consuming, and minimally informative. In this blog post, we’ll introduce digital PCR...target DNA. Conventional thermal cycling is then performed to amplify the target using PCR. Instead of tracking...design such assays, in addition to testing their performance (2). Remember that although digital PCR is a ...
  6. 3 Challenges in Plant Synthetic Biology

    Type
    Blog Post
    ... still in its infancy. A long timeline from transformation to testing and a lack of well-characterized...s made even more difficult by the fact that transformation methods have also been patented. In order to.... We will also be working with open source, transformation technologies like those pioneered by Ewen Mullins...
  7. Transferable Skills Guide: Cross-team Communication

    Type
    Blog Post
    ...as “sample,” “material,” “item,” and “format” all received formal definitions in our lexicon. We created...container, when applicable Any other relevant information Prescribing an official name to all of our plates...
  8. Plasmid Tools for Microbiome Studies

    Type
    Blog Post
    ...relevant host biomarkers. The lab validated their platform on clinical stool samples by comparison to qPCR...Gilliamella apicoli. The plasmids could also be transformed into Alphaproteobacteira, Betaproteobacteria,... al. "A low-cost paper-based synthetic biology platform for analyzing gut microbiota and host biomarkers...
  9. Antibodies 101: Selecting the Right Antibody

    Type
    Blog Post
    ...background papers you could get your hands on, formulated a hypothesis, and planned out your key experiments...so look at epitope target, source, and other information to make sure you’re not trying to choose between...Antibody-based assays are complex and antibodies may perform differently in different samples and experimental...
  10. Antibodies 101: Secondary Antibodies

    Type
    Blog Post
    ...antibody. Perform a second series of wash steps. Activate the signaling molecule and perform the assay...sample with the primary (unconjugated) antibody. Perform a series of wash steps to remove any unbound or...
  11. Addgene: The First Twenty Years

    Type
    Blog Post
    ... to support sharing of CRISPR constructs and information across the globe.  “Read the Addgene guide: https...barrier for depositors and requestors alike. We transformed this process by aligning institutions with standardized...the Neuroscience AntiBody Open Resource (NABOR) platform, supported by an NIH BRAIN Initiative. We also...
  12. Visualizing Protein Turnover In Situ

    Type
    Blog Post
    ...very interesting talk by Prof. Erin M Schuman, a former Caltech researcher, now Director at the Max Planck... from them at the MPI in Frankfurt am Main and perform similar experiments. Visualizing newly synthesized...provides both quantitative and spatio-temporal information about the turnover of specific endogenous proteins...
  13. To Each HIS Own

    Type
    Blog Post
    ...methods where binding relies on a specific protein conformation, the polyhistidine-metal ion interaction is ...this one developed by Dr. James Trimmer’s lab, to perform assays that they otherwise would not be able to...polyhistidine tags. For more antibody-related information, sign up to receive alerts for antibody posts...
  14. Antibodies 101: Polyclonal Antibodies

    Type
    Blog Post
    ...immunogen. A different type of purification can be performed to isolate antibodies only recognizing your protein...steps keep the cost low compared to other antibody formats. This low barrier to entry makes polyclonal antibodies... detect a protein in low abundance or whose conformational state may change. If your protein might become...
  15. Plasmids 101: CcdB - The Toxic Key to Efficient Cloning

    Type
    Blog Post
    ...gene in frame with an MCS. E. coli that were transformed with the empty vectors expressed the ccdB gene...applications. While these two strains ultimately perform the same function, there is some evidence that ...that ccdB Survival™ can be more difficult to transform, depending upon the specific plasmids being used. ...
  16. Open Resources and Plasmid Tools For Studying C. elegans

    Type
    Blog Post
    ...CeNGEN is planned for August 15th, 2019. For more information about the aims and approach of CeNGEN, check ... C. elegans. This database provides detailed information about C. elegans 3’UTRs structures, alternative...PMC3531189. Mangone, Marco, et al. "UTRome. org: a platform for 3′ UTR biology in C. elegans." Nucleic acids...
  17. Meet an Addgenie: Insights into Grad School, Career Paths, and More

    Type
    Blog Post
    ...the six months of my co-op, I have conducted informational interviews with nine Addgenies. There are a ...interested to learn more when I was introduced to bioinformatics in the previous programs. I thought, ‘Let me...flexibility and be up to date with the current world. Bioinformatics it is.’” Though she misses the bench, the change...
  18. Overcoming the Challenges of Lentiviral Production

    Type
    Blog Post
    ...packaging systems were designed to prevent the formation of replication competent lentivirus (RCL). Replication...requires the viral transactivator, Tat. For more information on the different generations of lentiviral packaging...to obtain the best titer possible. While this information provides a great starting point, it may not translate...
Showing: 581 - 600 of 972 results